Your answer is A, you can be a carrier and not have the disorder
startfraction 1.55 over 1 endfraction is x = 1.55
<h3>
What is ratio?</h3>
A ratio in mathematics shows how many times one number is included in another. For instance, if a dish of fruit contains eight oranges and six lemons, the ratio of oranges to lemons is eight to six (that is, 8:6, which is identical to the ratio 4:3). (i.e., 8:6, which is identical to 4:3). The ratio of oranges to the overall amount of fruit is 8:14, while the ratio of lemons to oranges is 6:8 (or 3:4). (or 4:7). (or 4:7). A ratio can have any number of values, such as counts of people or things or measures of length, weight, time, etc. In most cases, both numbers must be positive.
EXPLANATION:
Sadly, we are unable to view the list of equations from which you can choose. But if we assume that x Equals the cost of 3.5 kg of grapes, we can construct the following equation
1/1.55 = 3.5/x
x = 1.55
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7)$25.50×.06=$1.53
$25.50+$1.53=$27.03
8)$66.30×.07=$4.64(actually $4.641 but have to round since it's money)
$66.30+$4.64=$70.94
9)$23.06×.065=$1.50(actually $1.4989 but have to round since it's money)
$23.06+$1.50=$24.56
10)$34.99×.0525=$1.84(actually $1.836975 but have to round since it's money)
$34.99+$$1.84=$36.83
11)$199.99×.0625=$12.50(actually $12.499375 but have to round since it's money)
$199.99+$12.50=$112.49
12)$130.25×.08=$10.42
$130.25+$10.42=$140.37
Hey! there are many ways to solve this question, but here are two!
ONE: since Dora bought 48 cupcakes at $0.55 each (which is SO CHEAP i want these cupcakes :), the total amount she spent is 48*0.55, which is $26.40. the number of vanilla cupcakes are 3/8 of the number of total cupcakes, so the cost would be 3/8 of the total cost, or 3/8*26.40
TWO: since the vanilla cupcakes make up 3/8 of all the cupcakes, that means that there are 18 vanilla cupcakes (48*3/8). each cupcake costs $0.55, so to find the cost of 18 cupcakes, multiply 18 by 0.55
ANSWER: $9.90
hope this helped!